Jody Castro, marketing specialist with San Antonio Parks and Recreation, suggests that parents with small children choose trails that are fairly flat and have a smooth surface, such as trails in the new Howard W. Peak Greenway Trail System.

Jody Castro, marketing specialist with San Antonio Parks and Recreation, suggests that parents with small children choose trails that are fairly flat and have a smooth surface, such as trails in the new Howard

Eisenhower Park: The .4-mile Yucca Paved Trail is fairly level and appropriate for young children. For energetic children ages 5 and up, the paved Cedar Flats Trail goes uphill to the observation tower and on to the Shady Creek and Hillview Natural trails, which are rockier and not stroller-friendly.

PHOTO: Adventure Club San Antonio members Michele Bosse (from left), Denise Conley-Friedman and Dirk Davidek hike up a trail in Eisenhower Park on May 20, 2002.

Eisenhower Park: The .4-mile Yucca Paved Trail is fairly level and appropriate for young children. For energetic children ages 5 and up, the paved Cedar Flats Trail goes uphill to the observation tower and on

Friedrich Wilderness Park: The half-mile Forest Range trail is level and paved. Peggy Spring, education coordinator for natural areas with San Antonio Parks and Recreation, recommends going up to the windmill on the Water Trail for children older than toddlers. The first part is stroller-friendly and the final unpaved part can be managed with a rugged stroller.

PHOTO: The Dinkin family — Gentry (from left), 12, David, Amantha, 15, and Susan — pauses to survey the landscape while on a hike at Friedrich Wilderness Park on Oct. 28, 2012.

Friedrich Wilderness Park: The half-mile Forest Range trail is level and paved. Peggy Spring, education coordinator for natural areas with San Antonio Parks and Recreation, recommends going up to the windmill

O.P. Schnabel Park: The Big OP Loop and Old Tower Climb Trail, each a mile long, and the .7-mile Bluff Loop are concrete; the mile-long Tower Loop and 1.6-mile Sleeper Trail are soil. A 7.7-mile section of Leon Creek Greenway North runs through.

PHOTO: Josh Ruder (right), 17, right, answers questions from Kim and Isaiah Davis about Oswald, one of two African Sulcata spur-thighed tortoises Ruder and his brother Chance brought to O.P. Schnabel Park to provide the tortoises with a change of scene and forage on Sept. 28, 2008.

O.P. Schnabel Park: The Big OP Loop and Old Tower Climb Trail, each a mile long, and the .7-mile Bluff Loop are concrete; the mile-long Tower Loop and 1.6-mile Sleeper Trail are soil. A 7.7-mile section of Leon